1. WWI
WWI Essay Causes The four main causes of WWI were nationalism, imperialism, militarism, and the system of alliances. ... Germany knew France would help Russia during the war, so they also declared war on France. ... Both sides started using trenches to hide, and airplanes to spy on the enemy. The Germans also started attacking with U-boats, which are now called submarines. ... The End The Central slowly started falling apart. ...
- Word Count: 707
- Approx Pages: 3
- Grade Level: High School